| Rinaldo Williams | |
| Position: | Third baseman |
| Bats: | Left |
| Throws: | Right |
| Birth Date: | December 18, 1893 |
| Birth Place: | Santa Cruz, California |
| Death Place: | Cottonwood, Arizona |
| Debutleague: | MLB |
| Debutdate: | October 8 |
| Debutyear: | 1914 |
| Debutteam: | Brooklyn Tip-Tops |
| Finalleague: | MLB |
| Finaldate: | October 10 |
| Finalyear: | 1914 |
| Finalteam: | Brooklyn Tip-Tops |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .267 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | RBI |
| Stat3value: | 0 |
| Teams: |
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Rinaldo Louis Williams (December 18, 1893 in Santa Cruz, California – April 24, 1966 in Cottonwood, Arizona) was an American professional baseball player who played third base for four games in Major League Baseball in 1914, for the Brooklyn Tip-Tops of the Federal League.